Scalac crash

crash.scala

def run() {
  Thread.sleep(60000)

  while (true) {
    val start = System.currentTimeMillis()
    val next = start + 60000

    val numJobsToReport = numJobs
    if (numJobsToReport != 0) {
      val totalJobTimeToReport = totalJobTime
      val avgJobTime = totalJobTime.toDouble/numJobs

      val dimension = new Dimension().withName("InstanceId").withValue(config.instanceId)

      val datum1 = new MetricDatum().
        withMetricName("Jobs").
        withUnit(StandardUnit.Count).
        withValue(numJobsToReport.toDouble).
        withDimensions(List(dimension))
      val datum2 = new MetricDatum().
        withMetricName("AvgTime").
        withUnit(StandardUnit.Milliseconds).
        withValue(avgJobTime.toDouble).
        withDimensions(List(dimension))
      val data = List(datum1, datum2)

      try {
        val req = new PutMetricDataRequest().withNamespace(namespace).withMetricData(data)
        config.cloudwatch.putMetricData(req)
        numJobs -= numJobsToReport
        totalJobTime -= totalJobTimeToReport
      }
      catch {
        case e: Exception => {
          logger.error("Unable to report metrics to CloudWatch", e)
        }
      }
    }
    val sleep = next - System.currentTimeMillis()
    if (sleep > 0) {
      Thread.sleep(sleep)
    }
  }
}